-99.07% is the change from 964 to 9
Calculation steps:
[( 9 - 964 ) ÷ 964] x 100 = -99.07%
Formula
Percentage change = [(9 - 964) / 964] x 100
Subtract the new number by the original number
9 - 964 = -955
-955 ÷ 964 = -0.9906639004149378
-0.9906639004149378 x 100 = -99.07%